紧密配合

例句：

1. 1. The team worked closely together to achieve the goal.
   团队密切合作以实现目标。
2. 2. They need to work closely with each other to solve the problem.
   他们需要密切合作以解决问题。
3. 3. The project requires close coordination between departments.
   该项目需要各部门密切协调。